What Is the Function of the Operculum

question 22

Multiple Choice

What is the function of the operculum?

• A)To pump water over the gills
• B)To cleanse the blood from toxins
• C)To detect changes in water pressure
• D)To store urine until excreted
• E)To regulate buoyancy

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Definitions:

Emergent Property

A complex trait or characteristic that arises from the interaction of simpler elements or systems and cannot be predicted from the properties of the individual elements.

Experimental Group

A group of subjects in an experiment who are exposed to the variable under investigation to study its effect.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to determine its effect on the dependent variable.

Placebo

A substance with no therapeutic effect, often used as a control in testing new drugs.